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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Mechanical and Aerospace Engineering 35 2725 2556 200 182 181 3880

Gerasimos Theotokatos publications per year

The chart shows the history of publications by Gerasimos Theotokatos between 2001 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Gerasimos Theotokatos published across 25 years, from 2001 to 2025, averaging 7.8 papers a year. Output peaked at 30 publications in 2021. 21 of the 196 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 2001 to 2025. Vertical axis: number of publications, 0 to 30. Peak 30 publications in 2021. 2001: 1 publication 2002: 0 publications 2003: 2 publications 2004: 0 publications 2005: 0 publications 2006: 1 publication 2007: 1 publication 2008: 1 publication 2009: 1 publication 2010: 1 publication 2011: 2 publications 2012: 1 publication 2013: 4 publications 2014: 7 publications 2015: 15 publications 2016: 17 publications 2017: 8 publications 2018: 12 publications 2019: 16 publications 2020: 22 publications 2021: 30 publications 2022: 15 publications 2023: 18 publications 2024: 12 publications 2025: 9 publications
2001 2025

196 publications in total across all disciplines

View publications per year as a table
Gerasimos Theotokatos: publications per year, 2001 to 2025
Year Publications
2001 1
2002 0
2003 2
2004 0
2005 0
2006 1
2007 1
2008 1
2009 1
2010 1
2011 2
2012 1
2013 4
2014 7
2015 15
2016 17
2017 8
2018 12
2019 16
2020 22
2021 30
2022 15
2023 18
2024 12
2025 9
Total 196
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Gerasimos Theotokatos publication distribution in Mechanical and Aerospace Engineering in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Mechanical and Aerospace Engineering in 2026. The highlighted bar marks where Gerasimos Theotokatos sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 63 bars. Horizontal axis: publications, 47–56 to 659+. Vertical axis: number of scientists, 0 to 155. Most scientists, 155, have 147–156 publications. The last bar groups every scientist with 659 publications or more. The highlighted bar, 177–186 publications, is where this scientist sits. 47–56 publications: 10 scientists 57–66 publications: 23 scientists 67–76 publications: 32 scientists 77–86 publications: 62 scientists 87–96 publications: 67 scientists 97–106 publications: 91 scientists 107–116 publications: 113 scientists 117–126 publications: 115 scientists 127–136 publications: 130 scientists 137–146 publications: 140 scientists 147–156 publications: 155 scientists 157–166 publications: 132 scientists 167–176 publications: 133 scientists 177–186 publications: 130 scientists 187–196 publications: 140 scientists 197–206 publications: 115 scientists 207–216 publications: 125 scientists 217–226 publications: 117 scientists 227–236 publications: 99 scientists 237–246 publications: 92 scientists 247–256 publications: 100 scientists 257–266 publications: 95 scientists 267–276 publications: 88 scientists 277–286 publications: 77 scientists 287–296 publications: 74 scientists 297–306 publications: 74 scientists 307–316 publications: 62 scientists 317–326 publications: 70 scientists 327–336 publications: 59 scientists 337–346 publications: 58 scientists 347–356 publications: 45 scientists 357–366 publications: 44 scientists 367–376 publications: 36 scientists 377–386 publications: 41 scientists 387–396 publications: 32 scientists 397–406 publications: 23 scientists 407–416 publications: 28 scientists 417–426 publications: 27 scientists 427–436 publications: 25 scientists 437–446 publications: 23 scientists 447–456 publications: 23 scientists 457–466 publications: 20 scientists 467–476 publications: 12 scientists 477–486 publications: 24 scientists 487–496 publications: 18 scientists 497–506 publications: 12 scientists 507–516 publications: 13 scientists 517–526 publications: 21 scientists 527–536 publications: 12 scientists 537–546 publications: 8 scientists 547–556 publications: 16 scientists 557–566 publications: 3 scientists 567–576 publications: 11 scientists 577–586 publications: 6 scientists 587–596 publications: 5 scientists 597–606 publications: 6 scientists 607–616 publications: 7 scientists 617–626 publications: 7 scientists 627–636 publications: 10 scientists 637–646 publications: 4 scientists 647–656 publications: 3 scientists 657–658 publications: 2 scientists 659+ publications: 100 scientists
47–56 publications 659+

This scientist: 181 publications — 37th percentile

37% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 659 publications or more.

View publications distribution as a table
Number of Mechanical and Aerospace Engineering scientists by publication count, Research.com 2026 ranking edition. Based on 3,445 ranked scientists.
Publications Scientists This scientist
47–56 10
57–66 23
67–76 32
77–86 62
87–96 67
97–106 91
107–116 113
117–126 115
127–136 130
137–146 140
147–156 155
157–166 132
167–176 133
177–186 130 181
187–196 140
197–206 115
207–216 125
217–226 117
227–236 99
237–246 92
247–256 100
257–266 95
267–276 88
277–286 77
287–296 74
297–306 74
307–316 62
317–326 70
327–336 59
337–346 58
347–356 45
357–366 44
367–376 36
377–386 41
387–396 32
397–406 23
407–416 28
417–426 27
427–436 25
437–446 23
447–456 23
457–466 20
467–476 12
477–486 24
487–496 18
497–506 12
507–516 13
517–526 21
527–536 12
537–546 8
547–556 16
557–566 3
567–576 11
577–586 6
587–596 5
597–606 6
607–616 7
617–626 7
627–636 10
637–646 4
647–656 3
657–658 2
659+ 100
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Gerasimos Theotokatos D-index placement in Mechanical and Aerospace Engineering in 2026

The chart shows the D-index (discipline H-index) distribution of Mechanical and Aerospace Engineering scientists ranked by Research.com in 2026. The highlighted bar marks where Gerasimos Theotokatos sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 64 bars. Horizontal axis: D-Index, 30 to 93+. Vertical axis: number of scientists, 0 to 189. Most scientists, 189, have 34 D-Index. The last bar groups every scientist with 93 D-Index or more. The highlighted bar, 35 D-Index, is where this scientist sits. 30 D-Index: 83 scientists 31 D-Index: 113 scientists 32 D-Index: 144 scientists 33 D-Index: 153 scientists 34 D-Index: 189 scientists 35 D-Index: 158 scientists 36 D-Index: 139 scientists 37 D-Index: 127 scientists 38 D-Index: 130 scientists 39 D-Index: 126 scientists 40 D-Index: 104 scientists 41 D-Index: 100 scientists 42 D-Index: 107 scientists 43 D-Index: 101 scientists 44 D-Index: 103 scientists 45 D-Index: 79 scientists 46 D-Index: 88 scientists 47 D-Index: 70 scientists 48 D-Index: 83 scientists 49 D-Index: 44 scientists 50 D-Index: 64 scientists 51 D-Index: 56 scientists 52 D-Index: 50 scientists 53 D-Index: 48 scientists 54 D-Index: 58 scientists 55 D-Index: 52 scientists 56 D-Index: 48 scientists 57 D-Index: 42 scientists 58 D-Index: 34 scientists 59 D-Index: 42 scientists 60 D-Index: 37 scientists 61 D-Index: 42 scientists 62 D-Index: 44 scientists 63 D-Index: 22 scientists 64 D-Index: 33 scientists 65 D-Index: 29 scientists 66 D-Index: 23 scientists 67 D-Index: 29 scientists 68 D-Index: 24 scientists 69 D-Index: 19 scientists 70 D-Index: 34 scientists 71 D-Index: 26 scientists 72 D-Index: 19 scientists 73 D-Index: 18 scientists 74 D-Index: 19 scientists 75 D-Index: 14 scientists 76 D-Index: 19 scientists 77 D-Index: 8 scientists 78 D-Index: 18 scientists 79 D-Index: 16 scientists 80 D-Index: 12 scientists 81 D-Index: 17 scientists 82 D-Index: 11 scientists 83 D-Index: 16 scientists 84 D-Index: 7 scientists 85 D-Index: 9 scientists 86 D-Index: 8 scientists 87 D-Index: 6 scientists 88 D-Index: 6 scientists 89 D-Index: 7 scientists 90 D-Index: 10 scientists 91 D-Index: 4 scientists 92 D-Index: 4 scientists 93+ D-Index: 100 scientists
30 D-Index 93+

This scientist: 35 D-Index — 24th percentile

24% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 93 D-Index or more.

View D-Index distribution as a table
Number of Mechanical and Aerospace Engineering scientists by D-index, Research.com 2026 ranking edition. Based on 3,445 ranked scientists.
D-Index Scientists This scientist
30 83
31 113
32 144
33 153
34 189
35 158 35
36 139
37 127
38 130
39 126
40 104
41 100
42 107
43 101
44 103
45 79
46 88
47 70
48 83
49 44
50 64
51 56
52 50
53 48
54 58
55 52
56 48
57 42
58 34
59 42
60 37
61 42
62 44
63 22
64 33
65 29
66 23
67 29
68 24
69 19
70 34
71 26
72 19
73 18
74 19
75 14
76 19
77 8
78 18
79 16
80 12
81 17
82 11
83 16
84 7
85 9
86 8
87 6
88 6
89 7
90 10
91 4
92 4
93+ 100
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Overview

Gerasimos Theotokatos is affiliated with the University of Strathclyde in the United Kingdom. Their research primarily spans the fields of Engineering and Environmental Science, with a particular focus on Environmental Engineering, Fluid Flow and Transfer Processes, Automotive Engineering, Ocean Engineering, and Aerospace Engineering.

The main topics covered by Theotokatos include Maritime Transport Emissions and Efficiency, Advanced Combustion Engine Technologies, Maritime Navigation and Safety, Vehicle Emissions and Performance, Risk and Safety Analysis, Biodiesel Production and Applications, and Spacecraft and Cryogenic Technologies.

Theotokatos has contributed to various academic journals, with frequent publications in the following venues:

  • Journal of Marine Science and Engineering
  • Ocean Engineering
  • Energies
  • Proceedings of the Institution of Mechanical Engineers Part M Journal of Engineering for the Maritime Environment
  • Energy

Selected recent publications by Theotokatos reflect their research interests in ship system safety, maritime industry energy solutions, and autonomous waterway vessels. These papers include:

  • A novel cyber-risk assessment method for ship systems, 2020, Safety Science
  • Machine learning and data-driven fault detection for ship systems operations, 2020, Ocean Engineering
  • Review on the Safe Use of Ammonia Fuel Cells in the Maritime Industry, 2021, Energies
  • Life cycle analysis and cost assessment of a battery powered ferry, 2021, Ocean Engineering
  • A novel risk assessment process: Application to an autonomous inland waterways ship, 2021, Proceedings of the Institution of Mechanical Engineers Part O Journal of Risk and Reliability

Theotokatos has collaborated frequently with several researchers. The most frequent co-authors include Evangelos Boulougouris, Victor Bolbot, Panagiotis Karvounis, Dracos Vassalos, and Andrea Coraddu.

Best Publications

  • Machine learning models for predicting ship main engine Fuel Oil Consumption : a comparative study

    Christos Gkerekos;Iraklis Lazakis;Gerasimos Theotokatos

  • Techno-economic investigation of alternative propulsion plants for Ferries and RoRo ships

    George A. Livanos;Gerasimos Theotokatos;Dimitrios-Nikolaos Pagonis

  • Machine learning and data-driven fault detection for ship systems operations

    Michail Cheliotis;Iraklis Lazakis;Gerasimos Theotokatos

  • Development of a combined mean value-zero dimensional model and application for a large marine four-stroke diesel engine simulation

    Francesco Baldi;Gerasimos Theotokatos;Karin Andersson

  • Advanced Ship Systems Condition Monitoring for Enhanced Inspection, Maintenance and Decision Making in Ship Operations

    Iraklis Lazakis;Konstantinos Dikis;Anna Lito Michala;Gerasimos Theotokatos

  • Computational investigation of a large containership propulsion engine operation at slow steaming conditions

    Cong Guan;Gerasimos Theotokatos;Peilin Zhou;Hui Chen

  • Marine dual fuel engine modelling and parametric investigation of engine settings effect on performance-emissions trade-offs

    Sokratis Stoumpos;Gerasimos Theotokatos;Evangelos Boulougouris;Dracos Vassalos

  • A novel multi-objective decision support method for ship energy systems synthesis to enhance sustainability

    Nikoletta L. Trivyza;Athanasios Rentizelas;Gerasimos Theotokatos

  • On the cycle mean value modelling of a large two-stroke marine diesel engine

    Gerasimos Theotokatos

  • DIESEL ENGINE TRANSIENT OPERATION WITH TURBOCHARGER COMPRESSOR SURGING

    G. Theotokatos;N.P. Kyrtatos

  • Life cycle analysis and cost assessment of a battery powered ferry

    Haibin Wang;Evangelos Boulougouris;Gerasimos Theotokatos;Peilin Zhou;Peilin Zhou

  • Numerical investigation of a premixed combustion large marine two-stroke dual fuel engine for optimising engine settings via parametric runs

    Christoforos Mavrelos;Gerasimos Theotokatos

  • Techno-economical analysis of single pressure exhaust gas waste heat recovery systems in marine propulsion plants

    Gerasimos Theotokatos;George Livanos

  • A computational study on the performance and emission parameters mapping of a ship propulsion system

    Gerasimos Theotokatos;Vasileios Tzelepis

  • Investigating an SVM-driven, one-class approach to estimating ship systems condition

    Iraklis Lazakis;Christos Gkerekos;Gerasimos Theotokatos

  • A novel risk assessment process: Application to an autonomous inland waterways ship:

    Victor Bolbot;Gerasimos Theotokatos;Lars Andreas Wennersberg;Jerome Faivre

  • Towards marine dual fuel engines digital twins - integrated modelling of thermodynamic processes and control system functions

    Sokratis Stoumpos;Gerasimos Theotokatos;Christoforos Mavrelos;Evangelos Boulougouris

  • Decision support methods for sustainable ship energy systems: A state-of-the-art review

    Nikoletta L. Trivyza;Athanasios Rentizelas;Gerasimos Theotokatos;Evangelos Boulougouris

  • Parametric investigation of pre-injection on the combustion, knocking and emissions behaviour of a large marine four-stroke dual-fuel engine

    Huaiyu Wang;Huibing Gan;Huibing Gan;Gerasimos Theotokatos

  • Analysis of Two Stroke Marine Diesel Engine Operation Including Turbocharger Cut-Out by Using a Zero-Dimensional Model

    Cong Guan;Gerasimos Theotokatos;Hui Chen

  • Impact of carbon pricing on the cruise ship energy systems optimal configuration

    Nikoletta L. Trivyza;Athanasios Rentizelas;Gerasimos Theotokatos

  • A novel systematic methodology for ship propulsion engines energy management

    Konstantinos-Marios Tsitsilonis;Gerasimos Theotokatos

  • Simulation-based investigation of a marine dual-fuel engine

    Gerasimos Theotokatos;Sokratis Stoumpos;Victor Bolbot;Evangelos Boulougouris

  • Cruise ships power plant optimisation and comparative analysis

    Victor Bolbot;Nikoletta L. Trivyza;Gerasimos Theotokatos;Evangelos Boulougouris

  • Development of an extended mean value engine model for predicting the marine two-stroke engine operation at varying settings

    Gerasimos Theotokatos;Cong Guan;Hui Chen;Iraklis Lazakis

  • Investigation on gaseous fuels interchangeability with an extended zero-dimensional engine model

    La Xiang;La Xiang;Gerasimos Theotokatos;Yu Ding

Frequent Co-Authors

Luca Oneto
Luca Oneto University of Genoa
Atilla Incecik
Atilla Incecik University of Strathclyde

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